Seastrom Manufacturing Co., Inc. Datasheets for Washers
Washers are disks of metal or non-metallic material placed beneath a nut, an axle bearing, or a joint, to relieve friction, prevent leakage, isolate, prevent loosening, or distribute pressure.
Washers: Learn more
| Product Name | Notes |
|---|---|
| Belleville Spring Washer, Conical Spring Washer Belleville or conical spring washers are commonly used to maintain the tension in assemblies when there are conditions of thermal expansion and contraction. Belleville... | |
| C Washer C washers are designed to be slide in and out of position on a bolt or shaft in a partially completed assembly or can be used as a... | |
| Centering Washer – Style 1 Centering washer – Style 1 is used to recess and center the bolt or nut head while the flange supports the washer on the end... | |
| Centering Washer – Style 2 Centering washer – Style 2 is used to center the bolt or screw in an oversized hole while the flange supports the washer on the... | |
| Centering Washer – Style 3 Centering washer – Style 3 is used to recess and center the bolt or nut head in a hole, in applications that do not need... | |
| Clipped Washer Clipped washers are used for limited space applications where a standard washer will not fit. The flat sides can also prevent the washer from rotating. Use our Quick... | |
| Countersunk Washer, Dimple Washer Countersunk washers are available in three styles to fit most applications. Countersunk washers serve the same function as a flat washer, but they provide a bearing... | |
| Crescent Spring Washer, Cylindrically Curved Spring Washer Crescent spring washers are designed for applications that require a spring washer that supports relatively light loads with a relatively wide deflection range. | |
| D Shaped Hole Washer D shaped hole washers are designed to prevent the washer from turning relative to a D shaped shaft or rod. Available Materials: Steel (cold rolled steel)... | |
| D Shaped Washer D shaped washers are used for limited space applications where a standard washer will not fit. The flat side can also prevent the washer from rotating. Available... | |
| Dome Spring Washer Dome spring washers are designed to have a very high load capacity with a very small deflection range. Use our Quick Search below to source beryllium copper... | |
| Double External Notch Washer Double external notch washers are designed with two external notches to be used with keys to prevent the rotation of the washer relative to the shaft. | |
| Double Internal Notch Washer Double internal notch washers are designed with two internal notches to be used with keys to prevent the rotation of the washer relative to the shaft. | |
| Double Internal Tab Washer Double internal tab washers are designed with two internal tabs to prevent the washer from rotating in relation to a shaft. Available Materials: Steel (cold rolled... | |
| External Retention Washer External retention washers provide a simple means of retaining a loose component inside a bored hole in an assembly. External retention washers are permanent after assembly. Available... | |
| External Tooth Lock Washer, External Locked Tooth Washer, Star Washer Like the internal tooth lock washers, these are designed to prevent a nut or bolt head from loosening with the... | |
| Finishing Washer, Finish Washer Finishing washers are used in applications where the decorative appearance is important. The flat head screw recesses into the finish washer to provide a clean appearance... | |
| Flat Retaining Washer Flat retaining washers are used in applications that need a guide for a chain, wire or cord attached to an assembly. Available Materials: Aluminum flat retaining washers,... | |
| Flattened Shaft Washer Flattened shaft washers are designed to prevent the washer from turning relative to a shaft or rod flattened on two sides. Available Materials: Steel (cold rolled steel)... | |
| Formed Key Washer Formed key washers are designed to lock into the base material or assembly with the external key to prevent the washer’s rotation. Available Materials: Steel (cold rolled... | |
| Formed Retaining Washer A formed retaining washer acts as guide for a chain, wire or cord attached to an assembly, similar to a flat retaining washer. They are used in... | |
| Helical Lock Washer, Helical Spring Lock Washer, Split Lock Washer Helical spring lock washers are the most commonly used part to prevent assembly components from loosening. They apply greater bolt... | |
| Hexagonal Hole Washer Hexagonal hole washers are designed to prevent the washer from turning relative to a hexagonal shaped shaft or rod. Available Materials: Steel (cold rolled steel) hexagonal hole... | |
| Internal Retention Washer, Shaft Retention Washer Shaft retention washers or internal retention washers are designed to retain items on a shaft or maintain a shaft in a particular position in... | |
| Internal Tab Formed Key Washer Formed key washers are designed to lock into the base material or assembly with the external key to prevent the washer’s rotation. The internal tab... | |
| Internal Tooth Lock Washer, Internal Locked Tooth Washer The internal tooth lock washer is designed to prevent a nut or bolt head from loosening with the strut action set up... | |
| Metric External Tooth Lock Washer, Metric External Locked Tooth Washer, Metric Star Washer Like the internal tooth lock washers, these are designed to prevent a nut or bolt head from... | |
| Metric Internal Tooth Lock Washer, Metric Internal Locked Tooth Washer The internal tooth lock washer is designed to prevent a nut or bolt head from loosening with the strut action... | |
| Multiple External Tab Washer Multiple external tab washers are designed with 7 to 23 external tabs that can lock into holes or over the edge of the assembly base. Available... | |
| Multiple External-Internal Tab Washer Multiple external-internal tab washers are designed with multiple external tabs that can lock into holes or over the edge of the assembly base and one internal... | |
| Rectangular Washer Rectangular washers are used for limited space applications where a standard washer will not fit. The flat sides can also prevent the washer from rotating. Use our Quick... | |
| Shoulder Washer, Sleeve Bushing, Flanged Bushing Shoulder washers, sleeve bushings, or flanged bushings have a variety of applications. A shoulder washer insulates a screw, rivet, or wire from an assembly... | |
| Single External Notch Washer Single external notch washers are designed with one external notch to be used with a key to prevent the rotation of the washer relative to the... | |
| Single External Tab Washer Single external tab washers are designed with one external tab that can lock into holes or over the edge of the assembly base. Available Materials: Steel... | |
| Single Internal Notch Washer Single internal notch washers are designed with one internal notch to be used with a key to prevent the rotation of the washer relative to the... | |
| Single Internal Tab Washer Single internal tab washers are designed with one internal tab to prevent the washer from rotating in relation to a shaft. Available Materials: Steel (cold rolled... | |
| Single Internal-External Tab Washer Single internal-external tab washers are designed with one internal tab to prevent shaft rotation and one external tab that can lock into holes or over the... | |
| Single Wave Spring Washer Single wave spring washers are similar to crescent washers, but they have a flat bearing surface for applications that need to minimize abrasion to soft assemblies... | |
| Split Washer Split washers are designed to be twisted onto a bolt or shaft in a partially completed assembly or to take up end play. Use our Quick Search below... | |
| Square Hole Washer Square hole washers are designed to prevent the washer from turning relative to a square shaped shaft or rod. Available Materials: Steel (cold rolled steel) square hole... | |
| Square Washer Square washers are used for limited space applications where a standard washer will not fit. The flat sides can also prevent the washer from rotating. Use our Quick... | |
| Tab Lock Washer Tab lock washers are designed to prevent both the washer and the nut from rotating in an assembly. The tabs lock over the edge of the assembly... | |
| Terminal Cup Washer Terminal cup washers are used to prevent a wire from slipping out from under a screw head. They are also used with solder lugs. Available Materials: Brass... | |
| Wave Spring Washer, Wavy Spring Washer Wave spring washers are commonly used as cushion springs or spacers on a shaft in many applications. They are designed with a moderate load... | |
| Seastrom standard part numbers in standard and specialty sizes in one search. ID – Inside dimensions from 1.95 mm to 17.52 mm OD - Outside dimensions from 4.7 mm to... | |
| Seastrom standards and ANSI standards in one search. Type B Plain Washers (ANSI B18.22.1) are available in narrow, regular and wide series for each standard screw size. ID – Inside... |